CVE-2021-21474

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{"affected": [{"affectedData": [{"product": "SAP HANA Database", "vendor": "SAP SE", "versions": [{"status": "affected", "version": "< 1.0"}, {"status": "affected", "version": "< 2.0"}]}], "source": "cna@sap.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sap:hana_database:1.00:*:*:*:*:*:*:*", "matchCriteriaId": "528C05CB-315F-465C-8C25-EF85AA7D19B9", "vulnerable": true}, {"criteria": "cpe:2.3:a:sap:hana_database:2.00:*:*:*:*:*:*:*", "matchCriteriaId": "4C6CA542-7071-48B6-B135-3AE9B4BB1DC5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SAP HANA Database, versions - 1.0, 2.0, accepts SAML tokens with MD5 digest, an attacker who manages to obtain an MD5-digest signed SAML Assertion issued for an SAP HANA instance might be able to tamper with it and alter it in a way that the digest continues to be the same and without invalidating the digital signature, this allows them to impersonate as user in HANA database and be able to read the contents in the database."}, {"lang": "es", "value": "SAP HANA Database, versiones - 1.0, 2.0, acepta tokens SAML con un digest MD5, un atacante que logra obtener una afirmaci\u00f3n SAML firmada por un digest MD5 emitida para una instancia de SAP HANA podr\u00eda manipularla y alterarla de una manera que el digest sigue siendo el mismo y sin invalidar la firma digital, esto les permite hacerse pasar por usuario en la base de datos HANA y poder leer los contenidos en la base de datos"}], "id": "CVE-2021-21474", "lastModified": "2026-06-17T03:35:38.640", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 5.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-09T21:15:13.393", "references": [{"source": "cna@sap.com", "tags": ["Permissions Required"], "url": "https://launchpad.support.sap.com/#/notes/2992154"}, {"source": "cna@sap.com", "tags": ["Vendor Advisory"], "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://launchpad.support.sap.com/#/notes/2992154"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543"}], "sourceIdentifier": "cna@sap.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-326"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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